An aquatic organism needs to be neutrally buoyantto stay at a constant depth. Fish accomplish thiswith an internal swim bladder they can fill with airthat they take in from the water through their gills.One complication is that the pressure in the swimbladder matches that of the surrounding water, butthe water pressure changes with depth. Becausethe volume of a gas is inversely proportional topressure (as you may already know if you havestudied the ideal-gas law), the volume of air in afish's swim bladder decreases with depth unlessthe fish actively adds more air. Review I ConstantsPart A3.Consider a 3.5 kg freshwater fish whose tissues have an average density of 1050 kg/m³. To what volume in mL mustthe swim bladder be inflated for the fish to be neutrally buoyant at the surface?Express your answer in milliliters to two significant figures.ΑΣφmLAV =SubmitRequest AnswerPart BSuppose the fish descends to a depth of 20 m. If the fish does nothing, will its average density increase, decrease, onunchanged?

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Description: An aquatic organism needs to be neutrally buoyantto stay at a constant depth. Fish accomplish thiswith an internal swim bladder they can fill with airthat they take in from the water through their gills.One complication is that the pressure in the s

Given:- The mass of the fish m = 3.5 kg The tissue has an average density of 1050 kg/m3 The fish…

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Physics

An aquatic organism needs to be neutrally b to stay at a constant depth. Fish accomplish with an internal swim bladder they can fill w that they take in from the water through thei One complication is that the pressure in the bladder matches that of the surrounding wat

An aquatic organism needs to be neutrally b to stay at a constant depth. Fish accomplish with an internal swim bladder they can fill w that they take in from the water through thei One complication is that the pressure in the bladder matches that of the surrounding wat

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Fluid Pressure

The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.

Gauge Pressure

Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.

Topic Video

Question

An aquatic organism needs to be neutrally buoyant
to stay at a constant depth. Fish accomplish this
with an internal swim bladder they can fill with air
that they take in from the water through their gills.
One complication is that the pressure in the swim
bladder matches that of the surrounding water, but
the water pressure changes with depth. Because
the volume of a gas is inversely proportional to
pressure (as you may already know if you have
studied the ideal-gas law), the volume of air in a
fish's swim bladder decreases with depth unless
the fish actively adds more air.

Review I Constants
Part A
3.
Consider a 3.5 kg freshwater fish whose tissues have an average density of 1050 kg/m³. To what volume in mL must
the swim bladder be inflated for the fish to be neutrally buoyant at the surface?
Express your answer in milliliters to two significant figures.
ΑΣφ
mL
AV =
Submit
Request Answer
Part B
Suppose the fish descends to a depth of 20 m. If the fish does nothing, will its average density increase, decrease, on
unchanged?

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